Mtcna Example Test.docx

1. How many IP addresses can one find in the header of an IP packet? 4 3 1 2

2. How many usable IP addresses are there in a 20-bit subnet? 4096 2048 4094 2047

3. A network ready device is directly connected to a MikroTik RouterBOARD 750 with a correct U.T.P. RJ45 functioning cable. The device is configured with an IPv4 address of 192.168.100.70 using a subnet mask of 255.255.255.252. What will be a valid IPv4 address for the RouterBOARD 750 for a successful connection to the device? 192.168.100.69/255.255.255.252 192.168.100.68/255.255.255.252 192.168.100.70/255.255.255.252 192.168.100.71/255.255.255.252

4. The network address is The first address of the subnet The last address of the subnet The first usable address of the subnet

5. If ARP=reply-only is configured on an interface, what will this interface do Accept all IP/MAC combinations listed in /ip arp as static entries Add new MAC addresses in /ip arp list Accept all IP addresses listed in /ip arp as static entries Add new IP addresses in /ip arp list Accept all MAC-addresses listed in /ip arp as static entries

6. What is term for the hardware coded address found on an interface? IP Address Interface Address MAC Address FQDN Address

7. A PC with IP 192.168.1.2 can access internet, and static ARP has been set for that IP address on gateway. When the PC Ethernet card failed, the user change it with a new card and set the same IP for it. What else should be done? Another IP has to be added for Internet access Old static ARP entry on gateway has to be updated for the new card MAC-address of the new card has to be changed to MAC address of old card Nothing - it will work as before

8. What protocol does ping use? ICMP UDP ARP TCP

9. Collisions are possible in full-duplex Ethernet networks False

10. Choose all valid hosts address range for subnet 15.242.55.62/27 15.242.55.32-15.242.55.63 15.242.55.33-15.242.55.62 15.242.55.31-15.242.55.62 15.242.55.33-15.242.55.63

11. Select valid MAC-address 00:00:5E:80:EE:B0 G2:60:CF:21:99:H0 192.168.0.0/16 AEC8:21F1:AA44:54FF:1111:DDAE:0212:1201

12. MAC layer by OSI model is also known as Layer 7 Layer 1 Layer 3 Layer 6 Layer 2

13. How many layers does Open Systems Interconnection model have? 5 6 7 9 12

14. If ARP=reply-only is enabled on one router interface, router can add dynamic ARP entries for the particular interface. True False

15. In MikroTik RouterOS, Layer-3 communication between 2 hosts can be achieved by using an address subnet of: /32 /31 /29 /30

16. Which of the following is NOT a valid MAC Address? 13:16:86:53:89:43 88:0C:00:99:5F:EF EA:BA:AA:EE:FF:CB 95:B5:DD:EE:78:8A 80:GF:AA:67:13:5D

17. Is ARP used in the IPv6 protocol ? False 18. Which computers would be able to communicate directly (without any routers involved) 192.168.0.5/26 and 192.168.0.100 192.168.17.15/29 and 192.168.17.20/28 10.5.5.1/24 and 10.5.5.100/25 10.10.0.17/22 and 10.10.1.30/23

19. Which of the following protocols / port s are used for SNMP. (Simple Network Managemnt Protocol) TCP 161 UDP 162 TCP 25 TCP 162 TCP 123 UDP 161

20. You have a router with configuration - Public IP :202.168.125.45/24 - Default gateway:202.168.125.1 - DNS server: 248.115.148.136, 248.115.148.137 - Local IP: 192.168.2.1/24 Mark the correct configuration on client PC to access to the Internet IP:192.168.0.1/24 gateway:192.168.2.1 IP:192.168.2.115/24 gateway: 192.168.2.1 IP:192.168.1.223/24 gateway:248.115.148.136 IP:192.168.2.253/24 gateway:202.168.0.1 IP:192.168.2.2/24 gateway:202.168.125.45

7. Select which of the following are 'Public IP addresses': 172.168.254.2 10.110.50.37 192.168.0.1 11.63.72.21 172.28.73.21